Fallen Night, is a scene captured in UnrealEngine 4.26 Preview uses Volumetric Lighting and Realtime Ray Tracing for: Ambient Occlusion, Reflections, Global Illumination, Shadows & use sub surface to create that hot metal effect.

Third party assets:

Megascans - Quixel
Gothic Knight - TalkingDrums
SHADERSOURCE - Tropical Ocean Tool - James Stone